<template>
  <div class="container">
    <div class="app-container">
      <el-tree default-expand-all :data="depts" :props="defaultProps" :expand-on-click-node="false">
        <template v-slot="{ data }">
          <el-row
            style="width: 100%; height: 40px"
            type="flex"
            justify="space-between"
            align="middle"
          >
            <el-col :span="20">{{ data.name }}</el-col>
            <el-col :span="4" style="width:200px">
              <span class="tree-manager">{{ data.managerName }}</span>
              <!-- $event 实参 表示类型 -->
              <el-dropdown @command="operateDept($event,data.id)">
                <!-- 显示区域内容 -->
                <span class="el-dropdown-link">
                  操作<i class="el-icon-arrow-down el-icon--right" />
                </span>
                <!-- 下拉菜单选项 -->
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                  <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                  <el-dropdown-item command="del">删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </el-col>
          </el-row>
        </template>
      </el-tree>
    </div>
    <AddDepart ref="addDeptRef" :visible.sync="showDialog" :current-id="currentId" @updateDepts="getDepartment" />
  </div>
</template>
<script>
import { delDepartmentApi, getDepartmentApi } from '@/api/department'
import { transListToTreeData } from '@/utils'
import AddDepart from './components/add-depart.vue'

export default {
  name: 'Department',
  components: {
    AddDepart
  },
  data() {
    return {
      depts: [],
      defaultProps: {
        label: 'name',
        children: 'children'
      },
      showDialog: false,
      currentId: null
    }
  },
  created() {
    this.getDepartment()
  },
  methods: {
    async getDepartment() {
      const res = await getDepartmentApi()
      this.depts = transListToTreeData(res, 0) // 把对象数组转成树形数组
    },

    operateDept(type, pid) {
      // console.log(type)
      if (type === 'add') {
        this.showDialog = true
        this.currentId = pid
        // console.log(this.currentId, pid)
      }

      if (type === 'edit') {
        this.showDialog = true
        this.$nextTick(() => {
          this.$refs.addDeptRef.getDepartmentDetail(pid)
        })
      }

      if (type === 'del') {
        this.$confirm('确认要删除该部门吗？').then(async() => {
          await delDepartmentApi(pid)
          this.$message.success('删除成功~')
          this.getDepartment()
        })
      }
    }
  }
}
</script>

<style scoped lang="scss">
.app-container {
  padding: 30px 140px;
  font-size: 14px;
}
.tree-manager {
  width: 80px;
  display: inline-block;
  margin: 10px;
}
</style>
